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Fair-Rite 2643175451 is a solid free-hanging ferrite core manufactured from Material 43. It provides an impedance of 180 Ohms at 100 MHz. The component features a circular design with an inner diameter of 0.800 inches (20.32 mm), an outer diameter of 1.600 inches (40.64 mm), and a length of 1.200 inches (30.48 mm). It is supplied in bulk packaging and is currently active.
Verify the specific Material 43 grade and impedance tolerance against the official Fair-Rite datasheet before integration. Confirm that the free-hanging form factor aligns with the mechanical constraints of the target assembly. Ensure compliance with RoHS directives as specified in the manufacturer's environmental documentation.
Select this part when high-frequency attenuation around 100 MHz is required for single or multi-conductor cables. The large bore size accommodates thicker gauge wires compared to standard beads. Material 43 offers a balance of permeability and resistivity suitable for broadband noise control without saturating under typical DC bias conditions.
This component belongs to the Fair-Rite 26 series of cable ferrites, designed specifically for suppressing electromagnetic interference on wires and cables. Unlike split cores, the solid design ensures consistent magnetic coupling around the conductor. It serves as a passive filter element in EMI/RFI mitigation strategies.
Direct substitutes must match the 180 Ohm @ 100 MHz impedance and Material 43 composition. Verify dimensional compatibility, particularly the 0.800-inch inner diameter. Alternative materials may offer different frequency characteristics but will alter the suppression profile.